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Archive for June, 2010

DDOS Diagram

First let me tell u what is DDOS or DOS Attack means ” A denial-of-service attack (DoS attack) or distributed denial-of-service attack (DDoS attack) is an attempt to make a computer resource unavailable to its intended users ”

Most of the time u can read from owner of PTC that they are getting DDOS in actual they have no idea of what is DDOS. Too many attempt of inserting jQuerry with Jscript are most of the time making there site script buggy due to that there site is hard to load on browser properly which is giving unnecessary load to there SQL to run the querry and due to that server load got exceeded. Low page loading , high query runtime and site open slow but what they are giving excuse ” Someone is doing DDOS on our site “.  This is fact they are kids and most of them want to run site without getting proper knowledge of the business what they are doing.

DOS Attack and BOT attack are two different things , BOT attack cant cause problem except on Shared hosting. BOT attack can make HTTP torn own due to backlink to same page with the search engine and may be it go over run the alloted HTTPD usage , at the time of BOT Attack u can see alot of users are suddenly comes online but if u go and check u can find there ip range are almost same with increasing or decreasing order.

On other hand DOS Attack as u can see in Diagram it is Intention to provide a wall in between user to the website by hitting the site with proxies or make server so busy so that it ate almost full RAM of server so that Bottle neck choke accored and due to that users got slow site loading and made them fed up. DOS attack can harm if the site have weak or loop whole or have any kind of vulnerable code or addon and attacker is aware of such script or addon , DOS attack can go worst if any of the file which is driving SQL connection with the Files like config.php or setting.php with the permission of 777. ” 777 ” permission means it can be write from outside source.

As a conclusion hardly few PTC are getting DOS or DDOS attack in real but due to lack of knowledge they are just making rumours that its a DDOS attack. I hope after reading this article u can understand the fact of DOS attack , BOT Attack and the Confliction of jQuerry with jScript.

Site looks better with some small sliders instead of making it heavy with unnecessary jQuerry.